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BULLETIN
TROPICAL DEPRESSION HELENE ADVISORY NUMBER 18
NATIONAL WEATHER SERVICE MIAMI FL
4 PM CDT FRI SEP 22 2000
...HELENE WEAKENING AS IT MOVES INTO GEORGIA...HEAVY RAINFALL THREAT
CONTINUES OVER THE SOUTHEASTERN UNITED STATES...
AT 4 PM CDT...2100Z...THE CENTER OF TROPICAL DEPRESSION HELENE
WAS LOCATED NEAR LATITUDE 32.3 NORTH...LONGITUDE 84.6 WEST
OR JUST SOUTHEAST OF COLUMBUS GEORGIA.
THE DEPRESSION IS MOVING TOWARD THE NORTHEAST NEAR 17 MPH...AND THIS
MOTION IS EXPECTED TO CONTINUE WITH AN INCREASE IN FORWARD SPEED
OVER THE NEXT 24 HOURS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 30 MPH...WITH HIGHER
GUSTS...MAINLY IN A FEW SQUALLS EAST OF THE CENTER. LITTLE CHANGE
IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1010 MB...29.83 INCHES.
STORM SURGE FLOODING ALONG THE FLORIDA COAST SHOULD DIMINISH
TONIGHT.
ADDITIONAL RAINFALL AMOUNTS OF 3 TO 5 INCHES...WITH LOCALLY HEAVIER
AMOUNTS...ARE LIKELY ALONG THE PATH OF HELENE. HEAVY RAINS SHOULD
CONTINUE TO SPREAD ACROSS THE SOUTHEASTERN UNITED STATES TONIGHT AND
SATURDAY. THIS COULD CAUSE POTENTIALLY DANGEROUS FLOODING OR FLASH
FLOODING...PARTICULARLY IN AREAS THAT RECEIVED RAINFALL FROM GORDON
SEVERAL DAYS AGO.
ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF SOUTHEASTERN
GEORGIA AND SOUTHERN AND CENTRAL SOUTH CAROLINA TONIGHT.
REPEATING THE 4 PM CDT POSITION...32.3 N... 84.6 W. MOVEMENT
TOWARD...NORTHEAST NEAR 17 MPH. MAXIMUM SUSTAINED WINDS... 30 MPH.
MINIMUM CENTRAL PRESSURE...1010 MB.
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON HELENE UNLESS REGENERATION OCCURS. FURTHER INFORMATION
WILL BE CONTAINED IN STORM SUMMARIES ISSUED BY THE
HYDROMETEOROLOGICAL PREDICTION CENTER UNDER AFOS/AWIPS HEADER
NFDSCCNS2 AND WMO HEADER ACUS42 KWBC.
FORECASTER BEVEN
NO STRIKE PROBABILITIES ARE ASSOCIATED WITH THIS ADVISORY.
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